Top 35 Green Energy startups in Sweden

Jan 23, 2026
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1
Epishine
Funding: $16M
Epishine manufactures low-power printed solar cells for sensors, electronic price tags, locks and other electronics. These solar cells require no sunlight to operate, meaning they can be used with standard room lighting, such as ambient and artificial light from lamps and other sources. Depending on ambient conditions they generate approximately 22 μW/cm² at 500 lux. They are flexible and can withstand up to 1 million bends without degradation, and are available in variety of sizes suitable for variety of applications. Key advantage is that they are composed entirely of organic materials and that os why - fully recyclable and certified to RoHS (no exceptions) and REACH. The company uses roll-to-roll printing technology for production.
2
Northvolt
Funding: $13.8B
Northvolt manufactures Li-ion battery cells for electric vehicles.
3
Stegra
Funding: $10.9B
H2 Green Steel is building a steel production plant (in Boden, northern Sweden) that reduces the iron ore into green iron using 100% green hydrogen with near-zero emission. The heart of the plant is giga-scale electrolyzer, powered by renewable electricity (instead of coal) that splits water into its constituent parts: hydrogen and oxygen. Then in the reduction reactor the hydrogen reacts with oxygen in the iron ore, transforming the iron ore into sponge iron and producing (environmentally friendly) water steam. In the melt shop the iron is charged into an electric arc furnace, where it is mixed with steel scrap. It is then melted with a powerful electrode and alloys are added in a ladle furnace. The molten steel is transformed into solid products.
4
Aira
Funding: $710M
Aira operates as a clean energy-tech company driving the clean energy revolution with air source heat pumps.
5
Voi Technology
Funding: $595.3M
VOI Technology owns, operates, and manages electric scooters for urban commuters in Stockholm.
6
Exeger
Funding: $224.2M
Exeger Sweden AB develops flexible solar cells for self-powered gadgets
7
Tibber
Funding: $181.2M
Tibber provides energy consumer services and learns to buy, save, and control electricity for homes. Stockholm wants to replace the original power company with an app to help you reduce your own electricity bill.
8
Elvy Energy
Funding: $157M
Elvy Energy provides a novel method of energy consumption through the installation of solar panels, heat pumps, and battery systems.
9
Qvantum
Funding: $156M
Qvantum is a comprehensive supplier of innovative and efficient electric heat-pumps.
10
Heart Aerospace
Funding: $147.2M
Heart Aerospace is a Swedish startup making electric regional airplanes.
11
Cloover
Funding: $121.4M
Cloover partners with renewable energy professionals to simplify and finance sustainable home upgrades, offering embedded financing options for technologies like solar panels, battery storage, heat pumps, and EV charging systems.
12
X Shore
Funding: $113.1M
X Shore creates high performance all-electric powered boats that are changing and charging the boat industry for a fossil free tomorrow.
13
Minesto
Funding: $80.8M
Minesto develops a revolutionary concept for generating electricity from the ocean that unlocks a so far untapped renewable energy resource.
14
Liquid Wind
Funding: $67.3M
Liquid Wind converts carbon dioxide (CO2) and wind energy to liquid fuel.
15
Flower
Funding: $58.2M
Flower is Flexible Power. Our vision extends beyond the energy transition, we aim to become the pioneering force powering the energy system of tomorrow.
16
SunRoof
Funding: €35M
SunRoof is a start-up developing fully solar 2-in-1 roofs and facades as well as solutions to support smart energy management.
17
Altris
Funding: $32M
Altris is a sodium-ion battery developer that focuses on enhancing energy storage efficiency and sustainability.
18
ClimateView
Funding: €28.3M
ClimateView is a climate action technology company that combines scientific modelling, machine learning and interface design to help cities understand and act on the complex climate challenge, clearly.
19
Modvion
Funding: $25.9M
Modvion develops modular wind power towers in composite materials.
20
Candela
Funding: €24M
Candela Speed Boat is a Sweden's electric boat startup
21
Eliq
Funding: $22.4M
The Eliq customer engagement platform and apps brings utilities all over the world closer to their customers. End-customers gain total control of their consumption resulting in 10x engagement, reduced churn, cost-to-serve and increased in-app upselling.
22
Emulate Energy
Funding: $18M
Emulate provides SaaS for utilities to offer behind-the-meter services and optimize demand flexibility with virtual battery technology.
23
Greenely
Funding: $15.9M
Greenely provides an energy management platform for consumers to manage energy use and contribute to overall power system stability.
24
Plexigrid
Funding: $14.3M
Plexigrid develops software solutions that enable increased renewable energy in electrical distribution grids.
25
SaltX Technology
Funding: $11.6M
SaltX Technology are the future of energy storage, and have developed and patented a ground-breaking technology. SaltX has come up with a process that uses plasma in the production of cement, a technology that could help lower emissions across many industrial sectors.
26
Blykalla
Funding: SEK80M
Blykalla is developing and building small modular reactors to deliver the next generation of clean energy. We take leading research to industrialization through our Swedish Advanced Lead Reactor (SEALER).
27
Blixt
Funding: €7.1M
Blixtis a company that offers semiconductor-based circuit breakers and household fuses.
28
AlixLabs
Funding: SEK59M
AlixLabs has developed a new, innovative method for manufacturing semiconductor components with a high degree of packing, eliminating several steps in the semiconductor manufacturing process
29
Dryft
Funding: €3.2M
Dryft takes care of the whole energy home renovation process for consumers with the relevant workers on hand in one place, and offers anything from small changes to building new energy-efficient kitchens and bathrooms.
30
Eneryield
Funding: $2.1M
Eneryield develops ML-based solutions to predict incipient faults and failures in assets of electric power systems, assess grid health, minimize energy losses due to Power Quality problems
31
Elonroad
Funding: SEK22M
Elonroad is a hightech electric road concept. It auto charges all types of electric vehicles when parked as well as when driving. Electric roads extend driving range and reduce the need of large and heavy batteries.
32
Cling Systems
Funding: SEK21M
Cling Systems ensures that batteries are recycled, repurposed, and reused by connecting the ecosystem.
33
Tether
Funding: $1.5M
Tether builds AI that turns millions of parked EVs into the world’s largest battery
34
Comoab
Comoab develops continuous motion engine to improve energy efficiency and reduce pollution
35
Ecoist
Ecoist designs, builds and sells environmentally friendly and very efficient electric cars.
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Editor: Alexander Gillet
Alexander Gillet is a senior editor for EnergyStartups. He has a deep background in energy sector and startups. Alexander graduated from Emlyon Business School, a leading French business school specialized in entrepreneurship. He has helped several non-profit organizations dedicated to promoting environmental education and sustainability and has written over 250 articles on energy technology for various websites. In his free time, Alexander enjoys yoga, camping and exploring the Blue Ridge Mountains. You can contact Alexander at alexgillet(at)energystartups(dot)com